Interesting details I found from whitepaper. "Depending on the stage of the ICO, the price for one LBT token will vary from 0.0005 to 0.0010 Ethereum (the only currency with which you can buy LBT tokens). All unsold tokens will be destroyed." But I still didn't found that which currencies we can use to invest in ICO.
I think you can only use eth to buy LBT tokens, maybe the team should consider Fiat payment too this way they can get different kind of investors and also new investors who do not have a lot of knowledge from the crypto world.